御三時[osanji] three-o'clock snack
三鞭酒[shanpen] champagne
球面三角法[kyuumensankakuhou] spherical trigonometry
胸三寸[munesanzun] heart
元三[ganzan] New Year's period (January 1st to 3rd)

五十三次[gojuusantsugi] the 53 Toukaidou stages
向こう三軒[mukousangen] one's next three neighbors
降三世明王[gouzanzemyouou] Trailokyavijaya Vidya-raja
再三[saisan] again and again
再三再四[saisansaishi] repeatedly

助番[sukeban] leader of a female gang
一助[ichijo] help
呑み助[nomisuke] tippler
雲助[kumosuke] palanquin bearer
援助[enjo] assistance

援助凍結[enjotouketsu] suspension of aid
技術援助[gijutsuenjo] technological assistance
救助[kyuujo] relief
共助[kyoujo] cooperation
経済援助[keizaienjo] economic assistance